Goodwill and Other Intangible Assets (Details 2) $ / shares in Units, $ in Millions		2 Months Ended	3 Months Ended		6 Months Ended
	May 01, 2017	Jun. 30, 2017 USD ($) segment	Jun. 30, 2017 USD ($) $ / shares	Jun. 30, 2016 USD ($)	Jun. 30, 2017 USD ($) segment	Jun. 30, 2016 USD ($)	Dec. 31, 2016 USD ($)
Intangible assets with finite lives
Gross Carrying Amount		$ 3,453	$ 3,453		$ 3,453		$ 3,397
Accumulated Amortization and Impairment		2,051	2,051		2,051		1,507
Net Carrying Amount		$ 1,402	1,402		1,402		1,890
Amortization and impairment of intangible assets			460	$ 38	$ 503	$ 75
Number of segments | segment		1			1
Brand transition period	3 years
Estimated amortization for intangible assets
Remainder of 2017		$ 206	206		$ 206
2018		370	370		370
2019		351	351		351
2020		192	192		192
2021		83	83		83
Thereafter		200	200		200
Total		1,402	1,402		1,402
Customer related and contract based
Intangible assets with finite lives
Gross Carrying Amount		2,050	2,050		2,050		2,023
Accumulated Amortization and Impairment		1,307	1,307		1,307		1,198
Net Carrying Amount		743	743		743		825
Trade Names
Intangible assets with finite lives
Gross Carrying Amount		1,037	1,037		1,037		1,027
Accumulated Amortization and Impairment		423	423		423		7
Net Carrying Amount		614	614		614		1,020
Finite-lived intangible asset, useful life	3 years
Technology and other
Intangible assets with finite lives
Gross Carrying Amount		366	366		366		347
Accumulated Amortization and Impairment		321	321		321		302
Net Carrying Amount		$ 45	45		$ 45		45
Gross intangible assets reclassified							29
Accumulated amortization reclassified							$ 7
Discontinued Operations, Disposed of by Sale | Tempo Business | Trade Names
Intangible assets with finite lives
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)			380
Indefinite-lived intangible assets, additional amortization expense			$ 22
Additional amortization per share (in usd) | $ / shares			$ 0.09